253601222 has 32 divisors (see below), whose sum is σ = 439948800. Its totient is φ = 107395200.

The previous prime is 253601147. The next prime is 253601233. The reversal of 253601222 is 222106352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 632222 + ... + 632622.

It is an arithmetic number, because the mean of its divisors is an integer number (13748400).

Almost surely, 2^253601222 is an apocalyptic number.

253601222 is a deficient number, since it is larger than the sum of its proper divisors (186347578).

253601222 is a wasteful number, since it uses less digits than its factorization.

253601222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 253601222 is about 15924.8617576417. The cubic root of 253601222 is about 632.9709528652.

Adding to 253601222 its reverse (222106352), we get a palindrome (475707574).

The spelling of 253601222 in words is "two hundred fifty-three million, six hundred one thousand, two hundred twenty-two".